23442361424221 has 4 divisors (see below), whose sum is σ = 23542972417692. Its totient is φ = 23341750430752.

The previous prime is 23442361424203. The next prime is 23442361424299. The reversal of 23442361424221 is 12242416324432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4304483825625 + 19137877598596 = 2074725^2 + 4374686^2 .

It is a cyclic number.

It is not a de Polignac number, because 23442361424221 - 2⁷ = 23442361424093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442361424921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50305496386 + ... + 50305496851.

It is an arithmetic number, because the mean of its divisors is an integer number (5885743104423).

Almost surely, 2^{23442361424221} is an apocalyptic number.

It is an amenable number.

23442361424221 is a deficient number, since it is larger than the sum of its proper divisors (100610993471).

23442361424221 is a wasteful number, since it uses less digits than its factorization.

23442361424221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100610993470.

The product of its digits is 442368, while the sum is 40.

Adding to 23442361424221 its reverse (12242416324432), we get a palindrome (35684777748653).

The spelling of 23442361424221 in words is "twenty-three trillion, four hundred forty-two billion, three hundred sixty-one million, four hundred twenty-four thousand, two hundred twenty-one".